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Patent US2050416A successfully refreshed from Google Patents.
US2050416A
Expired / Lapsed
US
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Rounding an end of a metal part
Assignee: Individual
•
Filing: 1933-07-29
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Granted: 1936-08-11
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Expires: 1953-07-29
Abstract
No abstract record available.
Inventors
- 👤 Harry G Blanchard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:14
CPC Classifications
B; B21; B21G; B21G3/00; B21G3/12; B21G1/00; B21G1/003; Y; Y10; Y10S; Y10S425/00; Y10S425/806
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-08-11 | 1940-02-10 | 1940-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-08-11 | 1944-02-10 | 1944-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-08-11 | 1948-02-10 | 1948-08-11 | $7700.00 | Window Closed / Lapsed |